
IF NOT EXISTS(SELECT 1 FROM sys.tables AS t (NOLOCK) INNER JOIN sys.columns AS c (NOLOCK) ON c.object_id = t.object_id WHERE t.name = 'yt_feishu_task' AND c.name = 'xTimestamp')
BEGIN
		ALTER TABLE dbo.yt_feishu_task ADD xTimestamp DATETIME DEFAULT GETDATE()
END
GO

